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/*!
    \class QxtXmlRpcClient
    \inmodule QxtNetwork
    \brief The QxtXmlRpcClient class implements an XML-RPC Client.

    Implements a Client that can communicate with services implementing the XML-RPC spec
    http://www.xmlrpc.com/spec

    \section2 Type Conversion

    \table 80%
    \header \o XML-RPC Type \o Qt Type
    \row  \o array \o QVariantList
    \row  \o base64 \o QByteArray   (decoded from base64 to raw)
    \row  \o boolean \o bool
    \row  \o dateTime \o QDateTime
    \row  \o double \o double
    \row  \o int \o int
    \row  \o i4 \o int
    \row  \o string \o QString
    \row  \o struct \o QVariantMap
    \row  \o nil \o QVariant()
    \endtable

*/

#include "qxtxmlrpcclient.h"
#include "qxtxmlrpccall.h"
#include "qxtxmlrpc_p.h"

#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>

struct QxtXmlRpcClient::Private
{
    QUrl url;
    QNetworkAccessManager * networkManager;
    void serialize(QVariant);
};

QxtXmlRpcClient::QxtXmlRpcClient(QObject * parent)
        : QObject(parent)
        , d(new Private())
{
    d->networkManager = new QNetworkAccessManager(this);
}

/*!
  returns the url of the remote service
 */
QUrl QxtXmlRpcClient::serviceUrl() const
{
    return d->url;
}

/*!
  sets the url of the remote service to \a url
 */
void QxtXmlRpcClient::setServiceUrl(QUrl url)
{
    d->url = url;
}
/*!
  returns the QNetworkAccessManager used for connecting to the remote service
 */
QNetworkAccessManager * QxtXmlRpcClient::networkManager() const
{
    return d->networkManager;
}
/*!
  sets the QNetworkAccessManager used for connecting to the remote service to \a manager
 */

void QxtXmlRpcClient::setNetworkManager(QNetworkAccessManager * manager)
{
    delete d->networkManager;
    d->networkManager = manager;
}

/*!
  calls the remote \a method with \a arguments and returns a QxtXmlRpcCall wrapping it.
  you can connect to QxtXmlRpcCall's signals to retreive the status of the call.
 */
QxtXmlRpcCall * QxtXmlRpcClient::call(QString method, QVariantList arguments)
{
    QByteArray data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><methodCall><methodName>" + method.toUtf8() + "</methodName><params>";
    foreach(QVariant i, arguments)
    {
        data += "<param><value>" + QxtXmlRpc::serialize(i).toUtf8() + "</value></param>";
    }
    data += "</params></methodCall>";


    QNetworkRequest request;
    request.setHeader(QNetworkRequest::ContentTypeHeader, "text/xml");
    request.setRawHeader("Connection", "close");
    request.setUrl(d->url);

    return new QxtXmlRpcCall(d->networkManager->post(request, data));
}
